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Ecological specialization is associated with genetic structure in the ant-associated butterfly family Lycaenidae.

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Title: Ecological specialization is associated with genetic structure in the ant-associated butterfly family Lycaenidae.
Authors: Schär, Sämi1,2,3, Eastwood, Rodney1,4, Arnaldi, Kimberly G.1, Talavera, Gerard1,2, Kaliszewska, Zofia A.1, Boyle, John H.1, Espeland, Marianne1,5, Nash, David R.3, Vila, Roger2, Pierce, Naomi E.1 pierce@oeb.harvard.edu
Source: Proceedings of the Royal Society B: Biological Sciences. 9/12/2018, Vol. 285 Issue 1886, p1-7. 7p.
Subjects: Lycaenidae, Insect mitochondria, Insect diversity, Haplotypes, Genetic barcoding
Abstract: The role of specialization in diversification can be explored along two geological axes in the butterfly family Lycaenidae. In addition to variation in hostplant specialization normally exhibited by butterflies, the caterpillars of most Lycaenidae have symbioses with ants ranging from no interactions through to obligate and specific associations, increasing niche dimensionality in ant-associated taxa. Based on mitochondrial sequences from 8282 specimens from 967 species and 249 genera, we show that the degree of ecological specialization of lycaenid species is positively correlated with genetic divergence, haplotype diversity and an increase in isolation by distance. Nucleotide substitution rate is higher in carnivorous than phytophagous lycaenids. The effects documented here for both micro- and macroevolutionary processes could result from increased spatial segregation as a consequence of reduced connectivity in specialists, niche-based divergence or a combination of both. They could also provide an explanation for the extraordinary diversity of the Lycaenidae and, more generally, for diversity in groups of organisms with similar multi-dimensional ecological specialization. [ABSTRACT FROM AUTHOR]
Copyright of Proceedings of the Royal Society B: Biological Sciences is the property of Royal Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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PubType: Academic Journal
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  Data: Ecological specialization is associated with genetic structure in the ant-associated butterfly family Lycaenidae.
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  Data: <searchLink fieldCode="AR" term="%22Schär%2C+Sämi%22">Schär, Sämi</searchLink><relatesTo>1,2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Eastwood%2C+Rodney%22">Eastwood, Rodney</searchLink><relatesTo>1,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Arnaldi%2C+Kimberly+G%2E%22">Arnaldi, Kimberly G.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Talavera%2C+Gerard%22">Talavera, Gerard</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kaliszewska%2C+Zofia+A%2E%22">Kaliszewska, Zofia A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Boyle%2C+John+H%2E%22">Boyle, John H.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Espeland%2C+Marianne%22">Espeland, Marianne</searchLink><relatesTo>1,5</relatesTo><br /><searchLink fieldCode="AR" term="%22Nash%2C+David+R%2E%22">Nash, David R.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Vila%2C+Roger%22">Vila, Roger</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Pierce%2C+Naomi+E%2E%22">Pierce, Naomi E.</searchLink><relatesTo>1</relatesTo><i> pierce@oeb.harvard.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Proceedings+of+the+Royal+Society+B%3A+Biological+Sciences%22">Proceedings of the Royal Society B: Biological Sciences</searchLink>. 9/12/2018, Vol. 285 Issue 1886, p1-7. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Lycaenidae%22">Lycaenidae</searchLink><br /><searchLink fieldCode="DE" term="%22Insect+mitochondria%22">Insect mitochondria</searchLink><br /><searchLink fieldCode="DE" term="%22Insect+diversity%22">Insect diversity</searchLink><br /><searchLink fieldCode="DE" term="%22Haplotypes%22">Haplotypes</searchLink><br /><searchLink fieldCode="DE" term="%22Genetic+barcoding%22">Genetic barcoding</searchLink>
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  Data: The role of specialization in diversification can be explored along two geological axes in the butterfly family Lycaenidae. In addition to variation in hostplant specialization normally exhibited by butterflies, the caterpillars of most Lycaenidae have symbioses with ants ranging from no interactions through to obligate and specific associations, increasing niche dimensionality in ant-associated taxa. Based on mitochondrial sequences from 8282 specimens from 967 species and 249 genera, we show that the degree of ecological specialization of lycaenid species is positively correlated with genetic divergence, haplotype diversity and an increase in isolation by distance. Nucleotide substitution rate is higher in carnivorous than phytophagous lycaenids. The effects documented here for both micro- and macroevolutionary processes could result from increased spatial segregation as a consequence of reduced connectivity in specialists, niche-based divergence or a combination of both. They could also provide an explanation for the extraordinary diversity of the Lycaenidae and, more generally, for diversity in groups of organisms with similar multi-dimensional ecological specialization. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Proceedings of the Royal Society B: Biological Sciences is the property of Royal Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1098/rspb.2018.1158
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      – Code: eng
        Text: English
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      – SubjectFull: Lycaenidae
        Type: general
      – SubjectFull: Insect mitochondria
        Type: general
      – SubjectFull: Insect diversity
        Type: general
      – SubjectFull: Haplotypes
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      – SubjectFull: Genetic barcoding
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      – TitleFull: Ecological specialization is associated with genetic structure in the ant-associated butterfly family Lycaenidae.
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              Text: 9/12/2018
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              Y: 2018
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